144 pp. With folding map. (8vo) 22x14 cm (8½x5½") three quarter morocco and boards, original printed light blue wrappers bound in. First Edition. 

A fundamental and rare work on the region, Triggs spent twelve years on the plains and in the Rocky Mountains, serving with the United States Cavalry, and as an independent prospector and mineralogist. He recounted the early history of Cheyenne and "all portions of Wyoming Territory tributary thereto" from its earliest settlement as a Union Pacific Railroad depot, through the establishment of a provisional government, the lawless years of the "desperados" and the vigilance committee, to the eventual development of "a good class of law-abiding citizens" and responsible administration. "A very rare early imprint with some material on the vigilantes." (Adams). References: Adams, Six-Guns 2238; Adams, Herd 2331; Graff 4192; Howes T352.